30494569 has 12 divisors (see below), whose sum is σ = 35289984. Its totient is φ = 25812864.

The previous prime is 30494567. The next prime is 30494593. The reversal of 30494569 is 96549403.

It is not a de Polignac number, because 30494569 - 2¹ = 30494567 is a prime.

It is a super-2 number, since 2×30494569² = 1859837476991522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30494567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65632 + ... + 66094.

It is an arithmetic number, because the mean of its divisors is an integer number (2940832).

Almost surely, 2^30494569 is an apocalyptic number.

It is an amenable number.

30494569 is a deficient number, since it is larger than the sum of its proper divisors (4795415).

30494569 is an frugal number, since it uses more digits than its factorization.

30494569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 30494569 is about 5522.1887870662. The cubic root of 30494569 is about 312.4214424402.

The spelling of 30494569 in words is "thirty million, four hundred ninety-four thousand, five hundred sixty-nine".